EP4246136A4 - METHOD FOR DETECTING THE LIFETIME OF PRE-CROSS-LINKED MATERIAL FOR HIGH VOLTAGE AC CABLE INSULATION - Google Patents
METHOD FOR DETECTING THE LIFETIME OF PRE-CROSS-LINKED MATERIAL FOR HIGH VOLTAGE AC CABLE INSULATION Download PDFInfo
- Publication number
- EP4246136A4 EP4246136A4 EP21890918.2A EP21890918A EP4246136A4 EP 4246136 A4 EP4246136 A4 EP 4246136A4 EP 21890918 A EP21890918 A EP 21890918A EP 4246136 A4 EP4246136 A4 EP 4246136A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- lifetime
- detecting
- cross
- high voltage
- cable insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/44—Resins; Plastics; Rubber; Leather
- G01N33/442—Resins; Plastics
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011250164.1A CN112557438B (en) | 2020-11-11 | 2020-11-11 | Method for detecting storage life of pre-crosslinked material for high-voltage alternating-current cable insulation |
| PCT/CN2021/125231 WO2022100391A1 (en) | 2020-11-11 | 2021-10-21 | Method for detecting service life of pre-crosslinked material for high-voltage alternating-current cable insulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4246136A1 EP4246136A1 (en) | 2023-09-20 |
| EP4246136A4 true EP4246136A4 (en) | 2024-10-02 |
Family
ID=75041885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21890918.2A Pending EP4246136A4 (en) | 2020-11-11 | 2021-10-21 | METHOD FOR DETECTING THE LIFETIME OF PRE-CROSS-LINKED MATERIAL FOR HIGH VOLTAGE AC CABLE INSULATION |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12553843B2 (en) |
| EP (1) | EP4246136A4 (en) |
| CN (1) | CN112557438B (en) |
| WO (1) | WO2022100391A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557438B (en) | 2020-11-11 | 2022-05-20 | 南方电网科学研究院有限责任公司 | Method for detecting storage life of pre-crosslinked material for high-voltage alternating-current cable insulation |
| CN114660117B (en) * | 2022-03-22 | 2025-01-24 | 南方电网科学研究院有限责任公司 | A reliability prediction method for cross-linked polyethylene cable insulation materials |
| CN114755257B (en) * | 2022-04-21 | 2023-08-08 | 中策橡胶集团股份有限公司 | A method and device for testing electron irradiation carcass ply pre-crosslinking using differential scanning calorimetry |
| CN116625427B (en) * | 2022-09-02 | 2025-10-31 | 南方电网科学研究院有限责任公司 | Formula design and optimization method of high-voltage alternating-current cable crosslinked polyethylene insulating material |
| CN118519404B (en) * | 2024-07-19 | 2024-10-29 | 阳谷新太平洋电缆有限公司 | A cross-linked cable vulcanization control method based on artificial intelligence |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531783A (en) * | 2008-12-23 | 2009-09-16 | 上海高分子功能材料研究所 | Delayed cross-linked type silicane cross-linked polyethylene plastic |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2803252C2 (en) * | 1978-01-26 | 1984-08-23 | Vereinigung zur Förderung des Instituts für Kunststoffverarbeitung in Industrie und Handwerk an der Rhein.-Westf. Technischen Hochschule Aachen e.V., 5100 Aachen | Process for crosslinking plastic and / or rubber used as electrical insulators |
| JPS61285226A (en) * | 1985-06-10 | 1986-12-16 | ザ・コカ−コ−ラ・カンパニ− | Promotion of photodeterioration of polymer |
| US4988875A (en) * | 1988-12-13 | 1991-01-29 | At&T Bell Laboratories | Near infrared polyethylene inspection system and method |
| US5241184A (en) * | 1991-09-26 | 1993-08-31 | Electric Power Research Institute | Apparatus and method for quantizing remaining lifetime of transmission cable insulation |
| US5572115A (en) * | 1992-09-22 | 1996-11-05 | Brigham Young University | Device and method for measuring charge carrying activity in generally non-conductive materials |
| US6076411A (en) * | 1996-12-09 | 2000-06-20 | Advent Engineering Services, Inc. | Method and apparatus for determining remaining life of conductor insulation systems through void size and density correlation |
| US7414416B2 (en) * | 2002-03-06 | 2008-08-19 | Polymer Aging Concepts Inc. | Electrical condition monitoring method for polymers |
| KR101751073B1 (en) * | 2008-11-14 | 2017-06-26 | 아토믹 에너지 오브 캐나다 리미티드 | Portable polymer tester |
| CN102666602B (en) * | 2009-11-11 | 2015-11-25 | 博瑞立斯有限公司 | There is crosslinkable polymer composition and the cable of favourable electrical property |
| CN103068893B (en) * | 2010-08-06 | 2015-07-01 | 住友化学株式会社 | Method for measuring crosslinking density of molded article of crosslinked thermoplastic polymer foam and molded article of crosslinked foam |
| JP2012173183A (en) * | 2011-02-23 | 2012-09-10 | Hitachi Cable Ltd | Service life inspection method of cable coating material |
| WO2014197550A1 (en) | 2013-06-05 | 2014-12-11 | David Kranbuehl | Multi point method and apparatus for monitoring the aging and changes in corresponding tensile performance properties of a polymer |
| CN104793111B (en) | 2015-03-31 | 2017-11-07 | 华南理工大学 | Based on reason, change, the insulated cable residual life comprehensive estimation methods of electrical characteristics |
| CN105158085B (en) | 2015-10-26 | 2018-01-26 | 洛阳轴研科技股份有限公司 | A kind of Forecasting Methodology of compound polyimide retainer storage life |
| US10317349B2 (en) * | 2015-11-30 | 2019-06-11 | The Boeing Company | X-ray scatter systems and methods for detecting structural variations |
| CN105866015A (en) | 2016-05-12 | 2016-08-17 | 远东电缆有限公司 | Method and system for evaluating ageing life of crosslinked polyethylene insulating cable for smart energy |
| CN108828416B (en) * | 2018-06-08 | 2021-01-19 | 西安交通大学 | Crosslinked polyethylene cable insulation aging state evaluation method based on pair derivative analysis method |
| CN109917251B (en) * | 2019-04-09 | 2021-06-01 | 国网江苏省电力有限公司电力科学研究院 | Method for predicting aging life of XLPE cable insulation material |
| CN110186513B (en) | 2019-06-18 | 2021-09-10 | 重庆大学 | Characterization method for aging of crosslinked polyethylene insulating material for submarine cable |
| AR119131A1 (en) * | 2019-08-02 | 2021-11-24 | Candu Energy Inc | PORTABLE POLYMER TESTER AND TEST METHOD |
| CN110579692B (en) * | 2019-09-17 | 2021-07-06 | 国网四川省电力公司电力科学研究院 | A method for rapid on-site measurement of cross-linking degree of XLPE cables |
| CN111337418B (en) | 2020-03-20 | 2022-10-14 | 中广核三角洲（太仓）检测技术有限公司 | Method for evaluating service life of polyolefin cable insulating material for nuclear power station |
| CN111366459A (en) | 2020-03-27 | 2020-07-03 | 威海联桥新材料科技股份有限公司 | Method for testing crosslinking degree of crosslinked polyethylene |
| KR102241620B1 (en) * | 2020-07-31 | 2021-04-19 | 주식회사 맥텍 | Method of assessing the lifetime of structures and the system for assessing the same |
| CN112557438B (en) | 2020-11-11 | 2022-05-20 | 南方电网科学研究院有限责任公司 | Method for detecting storage life of pre-crosslinked material for high-voltage alternating-current cable insulation |
-
2020
- 2020-11-11 CN CN202011250164.1A patent/CN112557438B/en active Active
-
2021
- 2021-10-21 US US17/912,541 patent/US12553843B2/en active Active
- 2021-10-21 WO PCT/CN2021/125231 patent/WO2022100391A1/en not_active Ceased
- 2021-10-21 EP EP21890918.2A patent/EP4246136A4/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531783A (en) * | 2008-12-23 | 2009-09-16 | 上海高分子功能材料研究所 | Delayed cross-linked type silicane cross-linked polyethylene plastic |
Non-Patent Citations (3)
| Title |
|---|
| CHEN XIANGRONG ET AL: "Effect of thermal ageing on charge dynamics and material properties of 320 kV HVDC XLPE", IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 26, no. 6, 1 December 2019 (2019-12-01), pages 1797 - 1804, XP011753817, ISSN: 1070-9878, [retrieved on 20191204], DOI: 10.1109/TDEI.2019.008160 * |
| See also references of WO2022100391A1 * |
| ZHANG YUANYUAN ET AL: "Non-debye dielectric behavior of aged XLPE cable insulation", 2018 12TH INTERNATIONAL CONFERENCE ON THE PROPERTIES AND APPLICATIONS OF DIELECTRIC MATERIALS (ICPADM), IEEE, 20 May 2018 (2018-05-20), pages 435 - 438, XP033368767, DOI: 10.1109/ICPADM.2018.8401040 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20230134077A1 (en) | 2023-05-04 |
| WO2022100391A1 (en) | 2022-05-19 |
| CN112557438A (en) | 2021-03-26 |
| EP4246136A1 (en) | 2023-09-20 |
| CN112557438B (en) | 2022-05-20 |
| US12553843B2 (en) | 2026-02-17 |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| A4 | Supplementary search report drawn up and despatched |
Effective date: 20240902 |
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| RIC1 | Information provided on ipc code assigned before grant |
Ipc: G01N 33/44 20060101ALN20240827BHEP Ipc: G01N 25/02 20060101ALI20240827BHEP Ipc: G01N 17/00 20060101ALI20240827BHEP Ipc: G01N 25/20 20060101AFI20240827BHEP |